import Vue from 'vue'
import Router from 'vue-router'

// in development-env not use lazy-loading, because lazy-loading too many pages will cause webpack hot update too slow. so only in production use lazy-loading;
// detail: https://panjiachen.github.io/vue-element-admin-site/#/lazy-loading

Vue.use(Router)

/* Layout */
import Layout from '../views/layout/Layout'

/**
 * hidden: true                   if `hidden:true` will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu, whatever its child routes length
 *                                if not set alwaysShow, only more than one route under the children
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noredirect           if `redirect:noredirect` will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
      title: 'title'               the name show in submenu and breadcrumb (recommend set)
      icon: 'svg-name'             the icon show in the sidebar,
    }
 **/
export const constantRouterMap = [
  {path: '/login', component: () => import('@/views/login/index'), hidden: true},
  {path: '/404', component: () => import('@/views/404'), hidden: true},

  {
    path: '/',
    component: Layout,
    redirect: '/dashboard',
    name: 'Dashboard',
    hidden: true,
    children: [{
      path: 'dashboard',
      component: () => import('@/views/dashboard/index')
    }]
  },

  {
    path: '/teacher',
    component: Layout,
    redirect: '/teacher/table',
    name: '讲师管理',
    meta: {title: '讲师管理', icon: 'example'},
    children: [
      {
        path: '/table',
        name: '讲师列表',
        component: () => import('@/views/education/teacher/List'),
        meta: {title: '讲师列表', icon: 'table'}
      },
      {
        path: '/save',
        name: '添加讲师',
        component: () => import('@/views/education/teacher/Save'),
        meta: {title: '添加讲师', icon: 'tree'}
      },
      {
        path: '/edit/:id',
        name: '编辑讲师',
        component: () => import('@/views/education/teacher/Save'),
        meta: {title: '编辑讲师', icon: 'tree', noCache: true},
        hidden: true  // 隐藏该组件
      }
    ]
  },

  {
    path: '/subject',
    component: Layout,
    redirect: '/subject/subjectList',
    name: '课程分类管理',
    meta: {title: '课程分类管理', icon: 'example'},
    children: [
      {
        path: '/subjectList',
        name: '课程分类列表',
        component: () => import('@/views/education/subject/List'),
        meta: {title: '课程分类列表', icon: 'table'}
      },
      {
        path: '/subjectSave',
        name: '添加课程分类',
        component: () => import('@/views/education/subject/Save'),
        meta: {title: '添加课程分类', icon: 'tree'}
      }
    ]
  },

  {
    path: '/course',
    component: Layout,
    redirect: '/course/courseList',
    name: '课程管理',
    meta: {title: '课程管理', icon: 'example'},
    children: [
      {
        path: '/courseList',
        name: '课程列表',
        component: () => import('@/views/education/course/List'),
        meta: {title: '课程列表', icon: 'table'}
      },
      {
        path: '/courseInfo',
        name: '添加课程',
        component: () => import('@/views/education/course/Info'),
        meta: {title: '添加课程', icon: 'tree'}
      },
      {
        path: '/info/:id',
        name: 'EduCourseInfoEdit',
        component: () => import('@/views/education/course/Info'),
        meta: {title: '编辑课程基本信息', noCache: true},
        hidden: true
      },
      {
        path: '/chapter/:id',
        name: 'EduCourseChapterEdit',
        component: () => import('@/views/education/course/Chapter'),
        meta: {title: '编辑课程大纲', noCache: true},
        hidden: true
      },
      {
        path: '/publish/:id',
        name: 'EduCoursePublishEdit',
        component: () => import('@/views/education/course/Publish'),
        meta: {title: '发布课程', noCache: true},
        hidden: true
      }
    ]
  },

  {
    path: '/banner',
    component: Layout,
    redirect: '/banner/bannerTable',
    name: 'Banner管理',
    meta: {title: 'Banner管理', icon: 'example'},
    children: [
      {
        path: '/bannerTable',
        name: 'Banner列表',
        component: () => import('@/views/education/banner/List'),
        meta: {title: 'Banner列表', icon: 'table'}
      },
      {
        path: '/saveBanner',
        name: '添加Banner',
        component: () => import('@/views/education/banner/Save'),
        meta: {title: '添加Banner', icon: 'tree'}
      },
      {
        path: '/editBanner/:id',
        name: '编辑banner',
        component: () => import('@/views/education/banner/Save'),
        meta: {title: '编辑讲师', icon: 'tree', noCache: true},
        hidden: true  // 隐藏该组件
      }
    ]
  },

  {
    path: '/example',
    component: Layout,
    redirect: '/example/table',
    name: 'Example',
    meta: {title: 'Example', icon: 'example'},
    children: [
      {
        path: 'table',
        name: 'Table',
        component: () => import('@/views/table/index'),
        meta: {title: 'Table', icon: 'table'}
      },
      {
        path: 'tree',
        name: 'Tree',
        component: () => import('@/views/tree/index'),
        meta: {title: 'Tree', icon: 'tree'}
      }
    ]
  },

  {
    path: '/form',
    component: Layout,
    children: [
      {
        path: 'index',
        name: 'Form',
        component: () => import('@/views/form/index'),
        meta: {title: 'Form', icon: 'form'}
      }
    ]
  },

  {
    path: '/nested',
    component: Layout,
    redirect: '/nested/menu1',
    name: 'Nested',
    meta: {
      title: 'Nested',
      icon: 'nested'
    },
    children: [
      {
        path: 'menu1',
        component: () => import('@/views/nested/menu1/index'), // Parent router-view
        name: 'Menu1',
        meta: {title: 'Menu1'},
        children: [
          {
            path: 'menu1-1',
            component: () => import('@/views/nested/menu1/menu1-1'),
            name: 'Menu1-1',
            meta: {title: 'Menu1-1'}
          },
          {
            path: 'menu1-2',
            component: () => import('@/views/nested/menu1/menu1-2'),
            name: 'Menu1-2',
            meta: {title: 'Menu1-2'},
            children: [
              {
                path: 'menu1-2-1',
                component: () => import('@/views/nested/menu1/menu1-2/menu1-2-1'),
                name: 'Menu1-2-1',
                meta: {title: 'Menu1-2-1'}
              },
              {
                path: 'menu1-2-2',
                component: () => import('@/views/nested/menu1/menu1-2/menu1-2-2'),
                name: 'Menu1-2-2',
                meta: {title: 'Menu1-2-2'}
              }
            ]
          },
          {
            path: 'menu1-3',
            component: () => import('@/views/nested/menu1/menu1-3'),
            name: 'Menu1-3',
            meta: {title: 'Menu1-3'}
          }
        ]
      },
      {
        path: 'menu2',
        component: () => import('@/views/nested/menu2/index'),
        meta: {title: 'menu2'}
      }
    ]
  },

  {
    path: 'external-link',
    component: Layout,
    children: [
      {
        path: 'https://panjiachen.github.io/vue-element-admin-site/#/',
        meta: {title: 'External Link', icon: 'link'}
      }
    ]
  },

  {path: '*', redirect: '/404', hidden: true}
]

export default new Router({
  // mode: 'history', //后端支持可开
  scrollBehavior: () => ({y: 0}),
  routes: constantRouterMap
})
